README.md: Added description for the EnableDebugging property of JavaScript engine settings

Author: Taritsyn

README.md

@@ -86,6 +86,12 @@ Consider in detail properties of the <code title="MsieJavaScriptEngine.JsEngineS
 		</tr>
 	</thead>
 	<tbody>
+		<tr valign="top">
+			<td><code>EnableDebugging</code></td>
+			<td><code title="System.Boolean">Boolean</code></td>
+			<td><code>false</code></td>
+			<td>Flag for whether to allow debugging in Visual Studio by adding the `debugger` statement to script code (only works in the `ChakraIeJsRt` and `ChakraEdgeJsRt` modes).</td>
+		</tr>
 		<tr valign="top">
 			<td><code>EngineMode</code></td>
 			<td><code title="MsieJavaScriptEngine.JsEngineMode">JsEngineMode</code> enumeration</td>